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Fri, 23 Oct 2026 08:40:28 -0700 From: Simon Song To: , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 01/12] rust: pci: add VFIO override device IDs Date: Fri, 23 Oct 2026 08:39:56 -0700 Message-ID: <20261023154009.2246627-2-xinmengs@nvidia.com> X-Mailer: git-send-email 2.43.7 In-Reply-To: <20261023154009.2246627-1-xinmengs@nvidia.com> References: <20261023154009.2246627-1-xinmengs@nvidia.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF0001885C:EE_|CY8PR12MB7753:EE_ X-MS-Office365-Filtering-Correlation-Id: c299ef05-ebec-4311-d3d8-08df311c070b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700016|23010399003|1800799024|11063799006|56012099006|261022075727099003|261021121427099003|261009223027099003|10067099003|18002099003|22082099003|3023799007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 2RIj28q97JhZlVjMceFhZbjePZzcQy4SfAqOV3tiIYh5hVXRBuvrZoAIY7VO++ikFnm76qpwuA6KNOjvKJVpR2W3MBl8ycF+5cHkSNJpJqcJAlYZrtuhyQtGzHO7umwmLyYTfL0GXD2Km0Ikd3Uc1KxXZNEspuk4DfiRVWALF+2V+8B7WrgI97Jf1ODAgM68jVUPGlGxy2JLhH11M5WpWqmSFp6kZYehuKfvlPl9tvlmJbTzMVOBRo35L85c2X0l/jqVMDKRi7bK+9qjiA4tyPGjngjVRuT9QjzgDU6rOUxh/4HqAcfXrZD4ymeUY30cext/PC3J+f6s2kniIkl6bdM/36E7tMyxVvNpoSeifWYCfVLPujSsl07VhVBXIzYcvoltuw2LV9+o88RIlOC0H55Rx82tzIF5SvFJ9EgyLzmbe5MOzXztRpGMrXYxQZq3 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2026 15:40:55.6328 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c299ef05-ebec-4311-d3d8-08df311c070b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF0001885C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7753 From: Danilo Krummrich VFIO variant drivers need override-only IDs and VFIO-specific module aliases so userspace can select them for PCI assignment. Add a DeviceId constructor equivalent to PCI_DRIVER_OVERRIDE_DEVICE_VFIO, matching a vendor and device without restricting the PCI class. Signed-off-by: Danilo Krummrich Signed-off-by: Zhi Wang Signed-off-by: Simon Song --- rust/kernel/pci.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index d83492e06ce..10864ffda4e 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -206,6 +206,13 @@ macro_rules! module_pci_driver { impl DeviceId { const PCI_ANY_ID: u32 = !0; + /// Equivalent to C's `PCI_DRIVER_OVERRIDE_DEVICE_VFIO` macro. + pub const fn from_id_vfio_override(vendor: Vendor, device: u32) -> Self { + let mut id = Self::from_id(vendor, device); + id.0.override_only = bindings::PCI_ID_F_VFIO_DRIVER_OVERRIDE; + id + } + /// Equivalent to C's `PCI_DEVICE` macro. /// /// Create a new `pci::DeviceId` from a vendor and device ID. -- 2.43.7